package com.sky.mapper;

import com.sky.entity.ShoppingCart;
import org.apache.ibatis.annotations.Delete;
import org.apache.ibatis.annotations.Insert;
import org.apache.ibatis.annotations.Mapper;
import org.apache.ibatis.annotations.Update;

import java.util.List;

@Mapper
public interface ShoppingCardMapper {
    /*查询商品获取商品的返回值*/
    List<ShoppingCart> list(ShoppingCart shoppingCart);

    // 更新已有商品的数量
    @Update("update shopping_cart  set number = #{number}")
    void updateNumber(ShoppingCart cart);

    //  将商品添加至购物车
    @Insert ("insert into shopping_cart (name,image,user_id,dish_id,setmeal_id,dish_flavor,number,amount,create_time) " +
            "values(#{name},#{image},#{userId},#{dishId},#{setmealId},#{dishFlavor},#{number},#{amount},#{createTime})")
    void insert(ShoppingCart shoppingCart);

    // 清空购物车
    @Delete("delete from shopping_cart where user_id = #{userId}")
    void clean(ShoppingCart shoppingCart);

    // 删除购物车中的商品
    @Delete("delete from shopping_cart where id = #{id}")
    void delete(ShoppingCart shoppingCart);
}
